<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <link rel="stylesheet" href="./iconfont.css">

  <style>
    .myfont {
      font-size: 60px;
      color: red;
    }
  </style>
</head>

<body>

  <i class="iconfont icon-taiji myfont"></i>

</body>

</html>